Home / 124,151.39-171,332.81-70,438.67

Finding the Fourth Proportional to 124,151.39, 171,332.81 and 70,438.67

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Solution

The fourth proportional to 124,151.39, 171,332.81 and 70,438.67 is: 97,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,151.39 : 171,332.81 = 70,438.67 : x
  2. Step 2: Convert to fraction form
    124,151.39/171,332.81 = 70,438.67/x
  3. Step 3: Cross multiply
    124,151.39x = 171,332.81 × 70,438.67
  4. Step 4: Simplify right side
    124,151.39x = 12,068,454,911.57
  5. Step 5: Solve for x
    x = 12,068,454,911.57/124,151.39
  6. Step 6: Final answer
    x = 97,207.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.